White High School Graduation Cap & tassel. The graduation high school white cap & tassel set is beautifully crafted to accommodate the high school graduation cap and gown outfit for a great commencement ceremony. Discount graduation white cap and tassels are offered by Gradshop to help your budget for high quality graduation head wear. The high school white cap matches the Gradshop white graduation gowns, which are both made from best quality tricot fabric. The cap measures 9.4"sq and the headband has elastic at head rim for comfort and 'one size fits all'. You have the option to pick the color tassel of your choice when ordering, and tassels include a free current year charm. Check out the full range of middle school attire for great savings.